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染液滴定

 

Testing device MMS DIN EN ISO 9185


Characteristics

  • Resistance of a material against liquid metal splashes.

During the test defined amounts of melted liquid metal are poured onto the specimen which is positioned in certain angle on the specimen holding frame. A PVC film is attached behind the specimen and in contact with it. The damage is assessed by recording the changes to the PVC film after the pouring process. According to the result the test is repeated with either a larger or a smaller amount of metal until the minimal amount which damages the PVC film is determined. The melt is molten in a melting pot by an induction coil and a high-frequency generator. A high-performance optical fiber two color pyrometer is used as command variable for the temperature control and for determining the pouring temperature. The temperature is adjusted between 700 and 1800°C by a temperature control. The tilting speed and tilting angle are controlled by a stepper motor. The power supply is provided by a three-wire plug 3 ~ 400 VAC (5x16 A 6h CEE). The cooling mechanism works with a continuous water flow which is provided by an inlet and outlet on the testing device.

Technical specifications

Geometry of specimen: Textiles
Testing standards: DIN EN ISO 9185
Sensory functions: Temperature
Power input: 3 ~ 400 VAC / 7.5 kVA
Cooling water
Dimensions (testing device): 1300 x 1500 x 700 mm (W x D x H)
Weight (testing device): ca. 100 kg

    

MMS DIN EN ISO 9185
 

 

 

Testing device SPT ISO/DIS 9150


Characteristics

  • Determining the protection provided by materials under heat exposure when welding or with other related procedures.

A steel cylinder in a steel cone and in an oven is heated to a temperature of 600°C. After the heating the steel cone is put onto a mechanism which is on top of the calorimeter and the specimen. When triggering the magnetic switch the steel cylinder vertically falls onto the specimen. The calorimeter measures the starting temperature, the maximum temperature and the maximum difference. Before and after the test the calorimeter is adjusted to 20°C by a cooling and heating unit. The software manages the controlling, calculations and evaluation of the standard. The power supply for the controller is provided by an IEC-320 AC power cordset 230 VAC (50/60 Hz).

Technical specifications

Geometry of specimen: Textiles
Testing standards: ISO DIS 9150
Sensory functions: Temperature (calorimeter)
Power input: 230 VAC / 150 VA
Dimensions (testing device): 600 x 300 x 300 mm (W x D x H)
Weight (testing device): ca. 20 kg

    

SPT ISO/DIS 9150
 

 

 

Testing device TPP DIN EN 367


Characteristics

  • Determining the heat passage through heat protection clothing exposed to fire.

A horizontally fixed specimen is panned over a gas burner flame and exposed to an impacting heat flow density of 80 kW/m². The heat that passes through the specimen is measured by a calorimeter. The time needed for a temperature rise in the calorimeter of 12°C and 24°C respectively is measured. The heat transfer index is calculated as an average value from the results of three specimen. The device consists of the burner, the cover sheet and the specimen holder with calorimeter. The device is controlled via pneumatic transmission which is controlled by a software. The software includes the calculations and evaluation of the standard. The software can also turn the propane gas supply to the burner on and off. For security purposes the burner is equipped with electronic pilot flame safety which is provided by a thermocouple. The power supply for the controller is provided by an IEC-320 AC power cordset 230 VAC (50/60 Hz).

Technical specifications

Geometry of specimen: Textiles
Testing standards: DIN EN 367
Sensory functions: Temperature (calorimeter)
Power input: 230 VAC / 30 VA
Compressed air
Dimensions (testing device): 500 x 500 x 500 mm (W x D x H)
Weight (testing device): ca. 50 kg

    

TPP DIN EN 367
 

 

 

Testing device SPT DIN EN 348


Characteristics

  • Determining the behavior of materials exposed to small splashes of molten metal.

A welding wire is melted by a burner and drops onto the specimen. The number of molten drops which drop on one point of the vertically fixed specimen is counted until the temperature in the temperature sensor behind the specimen rose by 40°C. The burner is adjusted by a mass-flow meter with manual control valve. The skipping speed of the welding wire can be adjusted as well. The power supply for the controller is provided by an IEC-320 AC power cordset 230 VAC (50/60 Hz).

Technical specifications

Geometry of specimen: Textiles
Testing standards: DIN EN 348
Sensory functions: Temperature
Power input: 230 VAC / 30 VA
Oxygen / Acetylen
Dimensions (testing device): 1200 x 1000 x 600 mm (W x D x H)
Weight (testing device): ca. 50 kg

    

SPT DIN EN 348
 

 

 

Testing device HBP DIN EN ISO 6942


Characteristics

  • Assessment of materials and material combinations that are exposed to a heat radiation source.

Procedure A exposes a specimen in a free-standing frame to a defined heat radiation for a defined time period. The intensity of the heat radiation is controlled by the distance between specimen and heat radiation source. After the testing the specimen and its different layers are examined for visual changes.

In procedure B the specimen is fixed onto a calorimeter and exposed to a defined heat radiation. The time needed for a temperature rise in the calorimeter of 12°C and 24°C respectively is measured.

On the basis of this data the heat throughput rate is calculated from the difference between passed and incident heat flow density. The software includes the calculations and evaluation of the standard. The power supply is provided by a three-wire plug 3 ~ 400 VAC (50/60 Hz) (5x32 A 6h CEE). The cooling mechanism works with a continuous water flow which is provided by an inlet and outlet on the testing device.

Technical specifications

Geometry of specimen: Textiles
Testing standards: DIN EN ISO 6942
Sensory functions: Temperature (calorimeter)
Power input: 3 ~ 400 VAC / 12.5 kVA
Cooling water
Dimensions (testing device): 2000 x 800 x 1500 mm (W x D x H)
Weight (testing device): ca. 150 kg

    

HBP DIN EN ISO 6942
 

 

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